Sand pan accessories

[Bitao]

In model making, the polishing tool is necessary and one of the most frequently used tools. In particular, it is often difficult to clamp small parts milling, sawing burr also affect the aesthetic and combination of degrees. The self-made sand plate machine can achieve accurate grinding, but it is difficult to master the micro-size and needs to be measured constantly, thus reducing the efficiency. Then designed the digital display backer push rule, The sliding block is driven by dovetail fluted screw rod to avoid data deviation；the auxiliary operation became much simpler!